A biofilm model of microbial fuel cells for engineering applications

A generalized low-order model of the biofilm in a microbial fuel cell (MFC), suitable for use in real-time engineering applications, is presented. It is based on the description of the charge transfer, diffusion process, and charge accumulation in the biofilm. Since the dynamic processes in an MFC a...

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Bibliographic Details
Published in:International journal of energy and environmental engineering 2017-12, Vol.8 (4), p.303-315
Main Authors: Gatti, Marcela N., Milocco, Rubén H.
Format: Article
Language:English
Subjects:
Batch culture
Biochemical fuel cells
Biofilms
Boundary conditions
Charge transfer
Diffusion
Energy
Engineering
Fuel cells
Fuel technology
Microorganisms
Original Research
Renewable and Green Energy
Substrates
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Summary:A generalized low-order model of the biofilm in a microbial fuel cell (MFC), suitable for use in real-time engineering applications, is presented. It is based on the description of the charge transfer, diffusion process, and charge accumulation in the biofilm. Since the dynamic processes in an MFC are ruled mainly by the biofilm, it can be used for many different diffusion-based MFC types by just changing the boundary conditions. Different mode operations like batch, fed-batch, continuous, etc., are also possible. The time-responses of voltage, substrate concentration on the surface of the electrode, and Faradaic and capacitive currents have been tested under several experimental conditions.
ISSN:2008-9163
2251-6832
DOI:10.1007/s40095-017-0249-1